The answer was hiding in plain sight !!
$isOk:=PHP
Execute("";"hash_hmac";$P_dataSignature;"sha512";$P_dataRequestRaw;$P_apiSecret)
…and it works.
> On 16 Feb 2019, at 20:35, Peter Jakobsson via 4D_Tech <[email protected]>
> wrote:
>
> I’ve spent about half a day researching this so far so thought I’d give the
> NUG a try. Is anyone familiar with a way to do HMAC SHA512 signing in 4D ?
>
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